12132240055 has 8 divisors (see below), whose sum is σ = 15678587232. Its totient is φ = 8959192608.

The previous prime is 12132240053. The next prime is 12132240059. The reversal of 12132240055 is 55004223121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12132240055 - 2¹ = 12132240053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132240053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93324859 + ... + 93324988.

It is an arithmetic number, because the mean of its divisors is an integer number (1959823404).

Almost surely, 2^12132240055 is an apocalyptic number.

12132240055 is a deficient number, since it is larger than the sum of its proper divisors (3546347177).

12132240055 is a wasteful number, since it uses less digits than its factorization.

12132240055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186649865.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 12132240055 its reverse (55004223121), we get a palindrome (67136463176).

The spelling of 12132240055 in words is "twelve billion, one hundred thirty-two million, two hundred forty thousand, fifty-five".